HTML Entity Encoder
💡 About This Tool
Escape reserved HTML characters to prevent rendering issues or XSS vulnerabilities.
Converts characters like < and > into their corresponding HTML entities (<, >).
📘 Usage Tips
- Prevent XSS
Sanitize user input by escaping characters that could be interpreted as executable code (e.g.,
<script>). - Code Display Essential for displaying HTML code snippets within a webpage without the browser rendering them.
- Unescape Function Revert escaped entities back to their original characters to inspect the raw content.
🧐 Frequently Asked Questions
Q. Named vs Numeric Entities?
A. < is a named entity, while < is a numeric entity. Both render the same character, but named entities are more readable for developers.
Q. What is XSS?
A. Cross-Site Scripting (XSS). A vulnerability where attackers inject malicious scripts into web pages. Proper output escaping is a fundamental defense strategy.
📚 Trivia
While this tool handles the 5 standard XML/HTML reserved characters (", ', &, <, >), HTML5 defines over 2000 named entities for various symbols and international characters.